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There you go! Big so you can read the numbers. The model line starts with V-VMP

Excellent explanation. Thank you very much!

It's from Walvoil and I bought it at a local hydraulics shop here in Canada. I think any good shop will have something similar on the shelf.

Thank you!

Thanks for the quick reply. I was under the impression that curling the bucket against the extended thumb would generate pressure on the "extend side" of the cylinder which is the one with the relief. This is the confusing part. :unsure:

Hi, I'm new around here ✌️ I'm adding a hydraulic thumb to my Volvo EC25. It does not have relief valves on the AUX ports from the factory and they are very pricey from the dealer. So I went with the external relief valve route. Installed it on the extend side of the cylinder and plumbed to...